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Chaeto Algae(2)
Uses item details. Price when purchased online
In 100+ people's carts HTH Pool Care Algae Guard 10 — Liquid (Form), 119 oz — Pool algaecide to prevent and control algae From $16.97

2 options
Available in additional 2 optionsFrom$1697
HTH Pool Care Algae Guard 10 — Liquid (Form), 119 oz — Pool algaecide to prevent and control algae
5864.6 out of 5 Stars. 586 reviews
In 200+ people's carts HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine Chlorination From $10.99

3 options
Available in additional 3 optionsFrom$1099
HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine Chlorination
64324.5 out of 5 Stars. 6432 reviews
Other options to consider(51)
HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types

HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types
4944.5 out of 5 Stars. 494 reviews
Best seller HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use From $6.14

3 options
Available in additional 3 optionsFrom$614
HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
92794.6 out of 5 Stars. 9279 reviews
In 50+ people's carts (3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use

(3 pack) HTH Pool Care Shock Advanced — Granules, 1 lb — Pool Shock Treatment for Weekly Use
Pristine Blue 32 Ounce, Algae and bacteria Controller, Chemical for Pool or Spas, MPP Pristine Blue Product Guide From $44.99

3 options
Available in additional 3 optionsFrom$4499
Pristine Blue 32 Ounce, Algae and bacteria Controller, Chemical for Pool or Spas, MPP Pristine Blue Product Guide
114.6 out of 5 Stars. 11 reviews
HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types

HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types
2764.7 out of 5 Stars. 276 reviews
HTH Pool Care Algae Guard Ultra Liquid Algaecide for Swimming Pools, Non-Foaming Formula, 1 Qt $34.33

$3433
current price $34.33HTH Pool Care Algae Guard Ultra Liquid Algaecide for Swimming Pools, Non-Foaming Formula, 1 Qt
194.9 out of 5 Stars. 19 reviews
Rollback Clorox Pool&Spa 6pk Shock Xtrablue2 From $33.97

3 options
Available in additional 3 optionsFrom$3397
Clorox Pool&Spa 6pk Shock Xtrablue2
61854.6 out of 5 Stars. 6185 reviews
SeaKlear Chitosan Natural Clarifier From $22.89

4 options
Available in additional 4 optionsFrom$2289
SeaKlear Chitosan Natural Clarifier
54.8 out of 5 Stars. 5 reviews
Best seller Clorox Pool&Spa Algaecide + Clarifier From $14.88

2 options
Available in additional 2 optionsFrom$1488
Clorox Pool&Spa Algaecide + Clarifier
43554.5 out of 5 Stars. 4355 reviews
HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification

HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification
21474.2 out of 5 Stars. 2147 reviews
(2 pack) HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types

(2 pack) HTH Pool Care Algae Guard Ultra Plus — Liquid, 28 fl oz — Pool Algaecide for All Pool Types
Coral Seas YELLOWOUT Yellow Out Pool Algaecide 2 Lbs. From $20.29

4 options
Available in additional 4 optionsFrom$2029
Coral Seas YELLOWOUT Yellow Out Pool Algaecide 2 Lbs.
844.3 out of 5 Stars. 84 reviews
Top rated for water clarity Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization From $6.72

2 options
Available in additional 2 optionsFrom$672
Clorox Pool&Spa Shock XtraBlue+ Granules Swimming Pool Shock, 1lb for sanitization
17184.7 out of 5 Stars. 1718 reviews
(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

(3 pack) HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention
Clorox Pool&Spa XtraBlue+ 3" Chlorinating Tablets Form Chlorine Pool Chemicals 6oz $5.97 99.5 ¢/oz

$597
current price $5.9799.5 ¢/oz
Clorox Pool&Spa XtraBlue+ 3" Chlorinating Tablets Form Chlorine Pool Chemicals 6oz
23354.5 out of 5 Stars. 2335 reviews
SeaKlear Chitosan Clarifier for Spas, 1 Quart Bottle $25.02

$2502
current price $25.02SeaKlear Chitosan Clarifier for Spas, 1 Quart Bottle
(3 pack) HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types

(3 pack) HTH Algae Guard Advanced — Liquid, 28 fl oz — Pool Algaecide Compatible with All Pool Types
HTH 67089 Swimming Pool Care Algae Guard Ultra, Swimming Pool Chemical, Long Lasting Formula, 32 fl oz $43.69

$4369
current price $43.69HTH 67089 Swimming Pool Care Algae Guard Ultra, Swimming Pool Chemical, Long Lasting Formula, 32 fl oz
15 out of 5 Stars. 1 reviews
Rollback In The Swim Its Pool Shock 6 x 1 68% 25234 6X1 From $34.99

5 options
Available in additional 5 optionsFrom$3499
In The Swim Its Pool Shock 6 x 1 68% 25234 6X1
9154.5 out of 5 Stars. 915 reviews
Best seller HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention

HTH 1 Inch Chlorine Tablets 1.5 lb Pool Sanitizer for Algae and Bacteria Prevention
16714.7 out of 5 Stars. 1671 reviews
In The Swim Super Algaecide For Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart F055001012AE From $19.99

2 options
Available in additional 2 optionsFrom$1999
In The Swim Super Algaecide For Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart F055001012AE
1584.7 out of 5 Stars. 158 reviews
(2 pack) HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification

(2 pack) HTH Green to Blue Pool Shock Kit — Granules (Form), 4 lb — Pool Shock Treatment for Algae Removal and Water Clarification
Best seller Clorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz From $19.27

2 options
Available in additional 2 optionsFrom$1927
Clorox Pool&Spa Awesome Algaecide for Treating Algae Liquid Pool Algae Chemical Controllers, 32 oz
13814.5 out of 5 Stars. 1381 reviews
SeaKlear Algae Prevention & Remover From $25.99

4 options
Available in additional 4 optionsFrom$2599
SeaKlear Algae Prevention & Remover
84.8 out of 5 Stars. 8 reviews
Doheny’s Super Algaecide Plus Pool Algaecide, 7.1% Chelated Copper Formula, Effective Against Most Algae Types, Non-Foaming No-Clouding Treatment, Safe to Swim After Use, 40 oz Bottle From $19.61

3 options
Available in additional 3 optionsFrom$1961
Doheny’s Super Algaecide Plus Pool Algaecide, 7.1% Chelated Copper Formula, Effective Against Most Algae Types, Non-Foaming No-Clouding Treatment, Safe to Swim After Use, 40 oz Bottle
3614.7 out of 5 Stars. 361 reviews
HTH 67033 Ultimate Algae Guard Swimming Pool Algaecide Cleanser, 1 qt $33.44

$3344
current price $33.44HTH 67033 Ultimate Algae Guard Swimming Pool Algaecide Cleanser, 1 qt
51.8 out of 5 Stars. 5 reviews
Aqua Pure International REV32 32 oz Revive Phosphate & Algae Remover Chemical Green Swimming Pools $54.99

$5499
current price $54.99Aqua Pure International REV32 32 oz Revive Phosphate & Algae Remover Chemical Green Swimming Pools
43 out of 5 Stars. 4 reviews
Coral Seas YELLOWOUT Pool Cleaner Yellow Out Algaecide 2lb $20.29 Was $29.99

Now$2029
current price Now $20.29, Was $29.99$29.99
Coral Seas YELLOWOUT Pool Cleaner Yellow Out Algaecide 2lb
334.1 out of 5 Stars. 33 reviews
In The Swim Algaecide 60 Plus For Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart Y1300 From $27.99

2 options
Available in additional 2 optionsFrom$2799
In The Swim Algaecide 60 Plus For Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart Y1300
1614.4 out of 5 Stars. 161 reviews
Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz From $19.98

2 options
Available in additional 2 optionsFrom$1998
Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz
4204.7 out of 5 Stars. 420 reviews
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc $59.99 Was $71.99

Now$5999
current price Now $59.99, Was $71.99$71.99
Copper Pool Algaecide for Swimming Pools - 64 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc
144.7 out of 5 Stars. 14 reviews
Applied Biochemists Swimtrine Plus Swimming Pool Algae & Deposit Control, 32 fl oz $38.95

$3895
current price $38.95Applied Biochemists Swimtrine Plus Swimming Pool Algae & Deposit Control, 32 fl oz
104.8 out of 5 Stars. 10 reviews
Copper Pool Algaecide for Swimming Pools - 128 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc $84.99

$8499
current price $84.99Copper Pool Algaecide for Swimming Pools - 128 oz - 90 Day Algaecide for Inground & Above Ground Pools, Helps Prevent & Remove Green, Mustard, Blue, Black Algae - AquaDoc
84.8 out of 5 Stars. 8 reviews
Eeziblue Monthly Pool Algaecide, Pool Booster for All Algae, 6 lbs Bucket $112.95

$11295
current price $112.95Eeziblue Monthly Pool Algaecide, Pool Booster for All Algae, 6 lbs Bucket
35 out of 5 Stars. 3 reviews
Doheny’s Algaecide 60 Pool Algae Preventative, Metal-Free Non-Foaming Formula, Prevents All Algae Types, Safe for Salt, Chlorine and Bromine Pools, Treats up to 160,000 Gallons, 40 oz Bottle From $34.99

3 options
Available in additional 3 optionsFrom$3499
Doheny’s Algaecide 60 Pool Algae Preventative, Metal-Free Non-Foaming Formula, Prevents All Algae Types, Safe for Salt, Chlorine and Bromine Pools, Treats up to 160,000 Gallons, 40 oz Bottle
294.8 out of 5 Stars. 29 reviews
PoolRx+ Black/White 6-Month Swimming Pool Algaecide, 1 Tablet Treats 20k-30k Gallons Pool Algae Control Was $82.99

PoolRx+ Black/White 6-Month Swimming Pool Algaecide, 1 Tablet Treats 20k-30k Gallons Pool Algae Control
524.7 out of 5 Stars. 52 reviews
In The Swim Algaecide 50 For Swimming Pools - Green, Black, and Yellow Algae Treatment for Above Ground or Inground Swimming Pools - 1 Quart F045001012AE From $25.49

3 options
Available in additional 3 optionsFrom$2549
In The Swim Algaecide 50 For Swimming Pools - Green, Black, and Yellow Algae Treatment for Above Ground or Inground Swimming Pools - 1 Quart F045001012AE
174.4 out of 5 Stars. 17 reviews
BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2) $59.98

$5998
current price $59.98BioGuard-23050-2 PACK Back Up 2 - Highly Effective Algae Preventative - Step 3 - 1 Quart(2)
44.5 out of 5 Stars. 4 reviews
In The Swim Black Algaecide – Eradicates Black Algae in Swimming Pools - Copper Sulfate Pentahydrate - 1 Quart F050001012AE From $24.99

2 options
Available in additional 2 optionsFrom$2499
In The Swim Black Algaecide – Eradicates Black Algae in Swimming Pools - Copper Sulfate Pentahydrate - 1 Quart F050001012AE
494.2 out of 5 Stars. 49 reviews
Natural Chemistry Algae Break 90 Day Algaecide 32oz 17600NCM $25.99 Was $29.90

Now$2599
current price Now $25.99, Was $29.90$29.90
Natural Chemistry Algae Break 90 Day Algaecide 32oz 17600NCM
34.7 out of 5 Stars. 3 reviews
The Pond Guy InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 OZ From $12.99

4 options
Available in additional 4 optionsFrom$1299
The Pond Guy InstaFix Algae Control, Outdoor Water Garden, Fountain & Birdbath Algae Solution, EPA Registered Liquid Algaecide, Control Green Water & String Algae, Bird, Fish & Pet Safe, 16 OZ
1214.1 out of 5 Stars. 121 reviews
FROG BAM 90-Day Algae Preventative - Pool Winterizer Chemical and Algaecide Treatment for Preventing & Removing Algae - Compatible with all FROG Pool Products $39.99 $39.99/count

$3999
current price $39.99$39.99/count
FROG BAM 90-Day Algae Preventative - Pool Winterizer Chemical and Algaecide Treatment for Preventing & Removing Algae - Compatible with all FROG Pool Products
185 out of 5 Stars. 18 reviews
CrystalClear Algae D-Solv EPA-Registered Pond Algaecide, 16 Ounce From $16.99

2 options
Available in additional 2 optionsFrom$1699
CrystalClear Algae D-Solv EPA-Registered Pond Algaecide, 16 Ounce
533.9 out of 5 Stars. 53 reviews
New Water 24-Hour Algaecide Pool Pods Dry Concentrated Algae Control (2-Pack) $29.97 $2.50/oz

$2997
current price $29.97$2.50/oz
New Water 24-Hour Algaecide Pool Pods Dry Concentrated Algae Control (2-Pack)
1344.3 out of 5 Stars. 134 reviews
New Water 90-Day Algaecide Pool Pods Dry Concentrated Algae Prevention, 2-Pack $27.97 $3.11/oz

$2797
current price $27.97$3.11/oz
New Water 90-Day Algaecide Pool Pods Dry Concentrated Algae Prevention, 2-Pack
1184.5 out of 5 Stars. 118 reviews
Bromine Tablets for SPA Hot Tub 1lb Brominating Tablets Booster Eliminates Bacteria Algae Soft Water Feel No Chlorine Odor Chemical Sanitizer Chlorine Alternative(1.2LB) From $20.88

6 options
Available in additional 6 optionsFrom$2088
Bromine Tablets for SPA Hot Tub 1lb Brominating Tablets Booster Eliminates Bacteria Algae Soft Water Feel No Chlorine Odor Chemical Sanitizer Chlorine Alternative(1.2LB)
25 out of 5 Stars. 2 reviews
BioGuard Algae Complete Pool Algae Chemical Controllers, 2 L $67.99

$6799
current price $67.99BioGuard Algae Complete Pool Algae Chemical Controllers, 2 L
104.6 out of 5 Stars. 10 reviews
McGrayel Algatec 10064 Algaecide for Green, Yellow & Black Algae with QueBuy Pool Log Book $43.97

$4397
current price $43.97McGrayel Algatec 10064 Algaecide for Green, Yellow & Black Algae with QueBuy Pool Log Book
44 out of 5 Stars. 4 reviews
Baquacil Algicide Pool Algae Chemical Controllers, 2 Quart, (2 Pack) $54.98

$5498
current price $54.98Baquacil Algicide Pool Algae Chemical Controllers, 2 Quart, (2 Pack)
74.9 out of 5 Stars. 7 reviews
Doheny's Ultimate Pool Opening Start-Up Kit | Made in USA | Includes Metal Out, Algae Control, Clarifier & Super Shock | Prevents Stains, Rust & Scale | Free 10-Pack Test Strips | Pro-Grade Chemicals From $28.79

4 options
Available in additional 4 optionsFrom$2879
Doheny's Ultimate Pool Opening Start-Up Kit | Made in USA | Includes Metal Out, Algae Control, Clarifier & Super Shock | Prevents Stains, Rust & Scale | Free 10-Pack Test Strips | Pro-Grade Chemicals
8694.7 out of 5 Stars. 869 reviews
HTH Super Liquid Algae Guard 1 qt

HTH Super Liquid Algae Guard 1 qt
2784.6 out of 5 Stars. 278 reviews
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